Table 1.

Malaria incidence rate by gender, age and surveillance time in different study areas

Parameter	Category	IDP camp		Local village		Risk ratio (95 % CI) village/camp
		Incidence ratea	Odds ratio (95 % CI)	Incidence ratea	Odds ratio (95 % CI)
Overall		38.80		127.0		3.32 [2.91, 3.61]***
Gender	Male	44.15	1	126.45	1	2.86 [2.59, 3.17]***
	Female	37.48	0.82 [0.73, 0.92]***	60.71	0.31 [0.24, 0.40]***	1.62 [1.38, 1.91]***
Age (years)	0–4	34.38	1	88.00	1	2.56 [1.95, 3.36]***
	5–14	69.56	2.29 [1.92, 2.73]***	78.72	0.85 [0.55, 1.30]	1.13 [0.96, 1.34]
	≥15	26.06	0.69 [0.58, 0.83]***	103.96	1.31 [0.88, 1.95]	3.99 [3.53, 4.50]***
Female age (years)	15–45	28.19	1	65.52	1	2.33 [1.82, 2.97]***
	Other	40.72	1.53 [1.28, 1.83]***	53.79	0.77 [0.52, 1.14]	1.32 [1.06, 1.65]*
Year	2011	14.48	1	29.33	1	2.03 [1.38, 2.98]***
	2012	15.98	1.12 [0.87, 1.43]	74.81	2.68 [1.77, 4.05]***	4.68 [3.61, 6.07]***
	2013	88.02	6.64 [5.46, 8.08]***	141.65	5.46 [3.72, 8.02]***	1.61 [1.39, 1.87]***
	2014	30.81	2.19 [1.77, 2.71]***	118.00	4.43 [2.98, 6.57]***	3.83 [3.17, 4.63]***

*, *** Significant different at level of 5 and 0.1 %, respectively

^aIncidence rate is defined as malaria cases per 1000 people year